How to upgrade the VMWare tools on ESXi host 5.5

This video describes the process to upgrade the ESXi host with the current version of VMWare tools, and upgrade multiple VMs simultaneously.

VMWare reference:

Commands:
Set the new folder location on ESXi host:
esxcli system settings advanced set -o /UserVars/ProductLockerLocation -s /vmfs/volumes/ volumeName/extracted directory

Removing the current symlink:
rm /productLocker

Recycling the symlink on the esxi host to reflect the new location:
ln -s /vmfs/volumes/ volumeName / extracted directory /productLocker